Hi Shaffin, You could also make a 1/8 collet for the 1/4 router. It's what I do for a Harbor freight laminate router I use on a small gantry CNC router.
Craig On 6/21/2010 5:39 AM, Shaffin Bhanji wrote: > Hello Gene, > > What about the Bosch Colt (trim router), would that be any better? Going > to a PC690 would be an option but not sure whether there are fine > engraving/cutting end mill available for a 1/4" shank size? > > Shaffin. > > > On 06/18/2010 11:51 PM, Gene Heskett wrote: > >> On Friday 18 June 2010, Shaffin Bhanji wrote: >> >> >>> Hello, >>> >>> I am working on cutting and etching on aluminum, due to very fine detail >>> work I have resorted to using a Dremel tool (with 1/8" shank) on my CNC, >>> has anyone had any success using a Dremel tool to work on aluminum? If >>> so, can you recommend where to get some good 1/8" shank end mills for >>> cutting and etching on aluminum. >>> >>> Thanks, >>> Shaffin. >>> >>> >> Don't waste your time with a Dremel, it has a floating in rubber collet >> assembly that is not rigidly connected to the motor shaft, and one can >> usually insert a 1" long bit, put a dial indicator on the side of it and >> wiggle it at least 1/16". Without moving the Dremel at all. >> >> Black& Decker has an Orange lookalike that is a lot more rigid, but I >> believe the Proxxon (sp?) is probably the best of those from what I read. I >> have one of the B&D's but have not used it as a milling spindle yet. >> >> Check the catalog at Hemley.com, they seem to have, for more normal bits, a >> decent selection, at decent prices for solid carbide stuff, and in ALU, >> carbide is almost required, as is some sort of a method to keep the surface >> wetted so the air cannot get to the ALU until you are done. ALU becomes >> coated with its own oxide, the 2nd hardest substance on the planet, in under >> .001 seconds after the cutting edge of the bit has passed and exposed fresh >> surface. So unless the surface is coated with oil, and the bit is not >> throwing it away, bit wear is high. The alternative is to cut at high >> motion speeds, but none of the above have the moxy to cut at 20 IPM >> >> >> > ------------------------------------------------------------------------------ > ThinkGeek and WIRED's GeekDad team up for the Ultimate > GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the > lucky parental unit. See the prize list and enter to win: > http://p.sf.net/sfu/thinkgeek-promo > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ ThinkGeek and WIRED's GeekDad team up for the Ultimate GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the lucky parental unit. See the prize list and enter to win: http://p.sf.net/sfu/thinkgeek-promo _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
